houghton math california math grade 2 answers

Mathematical expressions are the combination of mathematical symbols or numbers or both. Every expression contains important elements called variables. Expression generally does not contain equality sign, if it has an equality sign then it represented as an equation. Exa..

1. (i) a (ii) a (iii) c 2 .(d) 3. (t) b (ii) ..

< 1. 6r 2. 1 3. - .1 * 4. .40 5. 5i y " 6.5/ 7. 2^2i 8. iV3i 9. 7-^1 10. 6i 3 4 ..

1. <)! (6) I ^ (0 |orf 2. (a) A or 2_ or ( c ) JL or A 30 15 30 15 30 15 3- (a) { (b) | (c) | (0 f .(.d) | </) | ..

1 3xV 3 3 , 4 6 C, 5 L i = or 0.6 2- TT^-33 3 * = ^ 5 P a 5 c 3 18 C 3 204 4. (a) 1 ..

1 5 5 9 1 9 1. (0 y GO 18 , M 9 2< 20 . 3 ' 6 4 - TO 5. ^ 6. | " 8. 0.65 9. (ii) 0.2 11. (i)p = 03<) (ii) 0.9 ..12. (i) P ( A )=^ (H) H 13. (0 \ (") | (<") . 14. ^ ..

1. (/) d (ii) d (iii) a (iv) d (v)"b (W) a 2. (i) c (ii) c t 3. b 4. a 5. xy+ 1 +y = cy 6. (0 b (ii) y + x'+ 2x+ 2 = ce (iii) b 1. b 8. (0 b ..

1. P(A/B)= J. P(B/A)= | 2. P(A/B)= P(/I n5) = 0.75 3. P(A/B)= P(AvB) = 0.S5 r 4. (i) Z (if) | (iif) o-v)'i s. ( /)f af) I m ii 0v) (v) (vi) 0 (Vii) i ' 6. (0 independent 37 a-* ,. . i 2' 1 1 (if) independent (iif) n..

W " 7 > J tan "'( f) +C (iii > (,,) W -jpJTT)- . . w -iHSlb 00 7 ,08 |^TT| +C V 2 ' f 2 ^ 1 . -1 x +1 , 1 t -i 2x -1 5. (0 ^og|x 2 +4x-5|-|log +c (ri) logtx 2 +3x-18|-|log|^| + c ..

1. (/) k " (IX) I ' .' ' 3. 6,-4,3 4 <*> i -i-r 1 { b) f + 7rt =1 W- 5. (a) JL + Z + -i (b) _Z = i (Parallel the to z-axis)(c) x = 4 (Parallel to the>>z plane) 6. (0 x- s/2y + z + 10 = 0 (ij) y-z + 4-^2 = 0 (in) ..